修复甲级 1159 题内存泄漏的 bug，并添加甲级 1156 到 1159 题的索引 #110
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How-u-doing
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Jul 3, 2020
| } | ||
| cout << (flag ? "Yes" : "No") << endl; | ||
| } | ||
| free(postorder); |
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The resources of tree nodes still not deallocated. Consider std::shared_ptr<TreeNode> instead of raw pointers. Or a tree class with a destructor
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I wrote an example: Tree.h
Tree_test.cpp.
The allocated memory pointed to by smart pointers won't be deallocated until they reach their lifespan
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